Question
Download Solution PDFΔABC च्या वर्तुळकेंद्र I पासून, BC वर लंब ID काढला आहे. जर ∠BAC = 60 असेल तर ∠BID चे मूल्य आहे
Answer (Detailed Solution Below)
Option 2 : 60°
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ST 1: B.Ed. Common Entrance (Teaching Aptitude)
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Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे:
∠BAC = 60°
वापरलेली संकल्पना:
एका वर्तुळाच्या मध्यभागी असलेल्या लंबाद्वारे जोडलेला कोन वर्तुळाच्या उर्वरित भागावरील कोणत्याही बिंदूने जोडलेला कोन दुप्पट असतो.
गणना:
∠BIC = 2 × ∠BAC = 2 × 60° = 120°
∴ ∠BID = ∠DIC = 120°/2 = 60°
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